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Reconstruction of engineered bacteria in preparing recombinant human peptide antibiotic ? / 第三军医大学学报
Journal of Third Military Medical University ; (24)2003.
Artigo em Chinês | WPRIM | ID: wpr-560470
ABSTRACT
Objective To reconstruct the new engineered bacteria expressing hPAB-? triploids so as to improve the outputs of recombinant human peptide antibiotic ?. Methods The recombinant plasmid pQE31-hPAB-?(3) was transformed into E. coli. M15 to screen the new engineered bacteria expressing hPAB-? triploids. The stabilities of phPAB-?(3)/M15 were observed in continuous cultures. The expression levels of the fusion peptides of interest and the bacterial yields of the new engineered bacteria phPAB-?(3)/M15 were compared with that of phPAB-?(3)/JM109 in different fermentation scales. Results Genetic stability of the recombinant plasmid and phPAB-?(3)/M15 was 100 after 10 passages. Take bacterial yields into account, the new engineered bacteria phPAB-?(3)/M15 was better than phPAB-?(3)/JM109 at the similar expression levels of the target proteins by “t” test analysis (P

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Journal of Third Military Medical University Ano de publicação: 2003 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Journal of Third Military Medical University Ano de publicação: 2003 Tipo de documento: Artigo